坦桑尼亚采购需求：人体工学椅、电脑桌、办公设备、集装箱办公室、游戏椅、会议桌

I'm looking to gather some detailed info regarding your delivery options. Could you please provide clarity on the various delivery methods available, as well as the estimated time frames for each? It would be great to know how you handle shipments and what territories you cover. Additionally, I would appreciate it if you could share your pricing structure for the products I'm interested in. Understanding the costs involved will help me assess my purchasing decisions better. Thanks in advance for your assistance!